These gauges feature the E-Z View Display System that maximizes readability by minimizing distracting high-speed digit changes. Available in the Cobalt, Sport-Comp, or Ultra-Lite Series to match their non-digital counterparts in 2-1/16", 3-3/4" (pedestal-mount tachometer only), or 3-3/8" (which have two resettable odometers & E-Z Cal Programming for simple calibration).